fn:head

Returns the first item in a sequence.

head($arg as item()*) ➔ item()?

Arguments
	$arg	item()*	The sequence whose first item is required
Result		item()?

Namespace

http://www.w3.org/2005/xpath-functions

Links to W3C specifications

XPath 3.0 Functions and Operators

XPath 3.1 Functions and Operators

Notes on the Saxon implementation

Available since Saxon 9.3, provided XPath 3.0 is enabled.